Month guide · Santander, Spain
Santander in August: weather and what to expect
August is the warmest month of the year in Santander. The sea is around 22°C, warm enough for most swimmers. In August, Santander averages highs of 24°C and lows of 17°C, with about 12 rainy days and 70 mm of rain. Crowds in Cantabria are at their peak.
Is August a good time to visit?
Good for
No verdicts for Santander in August yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 12 rainy days in the month
Daily highs through August
Town-level · ERA5-Land 1991-2020Highs fall about 1°C over the month. A day above 35°C happens in roughly 1 August in 6.
August in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in August 2027
No national or regional public holidays.
Local (municipal) holidays are not included.
Warmer in August
Where is warm in August →| Place | High | Rain days | From Santander |
|---|---|---|---|
| Guarromán, Andalusia | 35°C | 1 | 588 km |
| Arquillos, Andalusia | 35°C | 2 | 588 km |
| Bailén, Andalusia | 35°C | 1 | 597 km |
| Baños de la Encina, Andalusia | 35°C | 1 | 588 km |
| Linares, Andalusia | 35°C | 1 | 597 km |
The nearest towns with a warmer August. Distances are in a straight line.
How August is changing
Town-level · ERA5-LandAugust highs are 0.7°C warmer than in 1991-2000, and August rainfall is down about 15% (2016-2025 against 1991-2000). Days above 30°C in August went from 1.8 to 2.7 a year on average.
Questions about Santander in August
Is August a good time to visit Santander?
It is less suited to reliable dry weather (about 12 rainy days in the month).
How warm is Santander in August?
Average highs are 24°C and lows 17°C. July averages 24°C and September 23°C.
Does it rain much in Santander in August?
About 12 days have at least 1 mm of rain, with 70 mm in total over the month.
Is Santander busy in August?
In August 2025, nights booked through online platforms in Cantabria were the busiest month of the year, which we count as peak. The figure is for the whole region and leaves out hotels.
How long are the days in Santander in August?
About 14 h 02 min from sunrise to sunset in the middle of the month.
Sources
Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology